49546509 has 16 divisors (see below), whose sum is σ = 70425600. Its totient is φ = 30893616.

The previous prime is 49546501. The next prime is 49546513. The reversal of 49546509 is 90564594.

It is a happy number.

It is not a de Polignac number, because 49546509 - 2³ = 49546501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49546501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999 + ... + 10004.

It is an arithmetic number, because the mean of its divisors is an integer number (4401600).

Almost surely, 2^49546509 is an apocalyptic number.

It is an amenable number.

49546509 is a deficient number, since it is larger than the sum of its proper divisors (20879091).

49546509 is a wasteful number, since it uses less digits than its factorization.

49546509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 49546509 is about 7038.9281144220. The cubic root of 49546509 is about 367.2859821032.

The spelling of 49546509 in words is "forty-nine million, five hundred forty-six thousand, five hundred nine".